Commutator or distributor for ignition systems of internal-combustion engines



Dec. 14 1926. I 1,610,845

P. BRINDLE' COMMUTAT'OR OR DISTRIBUTOR FOR IGNITION SYSTEMS o INTERNAL COMBUSTION ENGINES Filed Oct. 4. 1922 atented Dec. 14, 1926. l

UNITED STATESPATENT OFFICE;

PERCIVAL BRINDLE, OF LOSTOCK, BOLTON, ENGLAND.

COMMUTATOR OR DISTRIBUTOR FOB IGNITION SYSTEMS OF INTERNAL-COMBUSTION ENGINES.

Application filed October 4, 1922, Serial No. 592,428, and in Great Britain Qctober 25, 1921.

This invention relates to commutators or chined face of the insulating material and distributors for ignition systems of internal segments. combustion engines, such commutators This arrangement prevents oil or grease distributors being of the type in which a from the engine collecting on the segment 5 number of insulated contact segments are faces and on the brush as any oil or grease arranged in the face of a plate but insulated would be caught at the back of the plate A. therefrom. A removable dust cap or cover G is fitted The invention is particularly applicable over the face of the plate A which is held for use on Ford motor vehicles and consists in position by a spring or other catch and 30 in the combination with the insulated collwhich can be easily removed to effect adjust- 0 tact segments of dead segments alternating ment or renewal of the brush without distherewith to give an approximately continmantling the commutator or distributor. uous flat metallic path for the contact brush. The commutator is moved by a wire or The invention will be described with reflever attached to the lug H screwed to the 15 erence to the accompanying drawings 1 flange B. The lug H is removable so that 05 Fig. 1 is a front elevation of the commuit can be fitted at the top or bottom to suit l tor or distributor with cover in position. either a car with a left hand or a car with Fig. is a side elevation of same. a right hand drive. Fig. 3 is a front elevation with cover 178- \Nhat I claim as my invention and desire e4 d, to protect by Letters Patent is 70 Fig. 4 is a section on line 3-3 Fig. 3. A commutator or distributor for the igni- Fig. is a section on line 22 Fig. 2- tion system of internal combustion engines The commutator or distributor is conof the type referred to, comprising in comstructed of metal of cylindrical or circular bination a flat metal plate provided with an shape with a flat plate A and an annular annular flange, a series of eight insulated flange B. The chamber formed within the contact segments set in front thereof but flange B is filled with insulating material C out of contact therewith, alternate segments into which are fitted four contact segments being dead, an insulating material placed D D D D preferably of brass. Between against the fiat plate and within the flanges the contact segments D D D D are arthereof into which the series of insulated ranged similar segments E which however contact segments are set all in the same are dead and only serve to give a metal track plane, four adjacent connecting terminals for the contact brush The whole front passing through the upper portion of the of the insulating material C, contact segannular flange but insulated therefrom and 5 s ments D D D D and dead segments E making contact with the live segments an F5 are machined perfectly flat to form the face ranged at 90 to each other, the terminals against which the brush f rotates. The terto the two live segments in the lower half minals d (Z 07 d are fitted into the flange of the plate each passing through but insu- B and connected by screwed rods 1) with the lated from a dead segment, a rotary carbon contact segments D D D D. The rods 5 brush holder and brush adapted to rotate 3 are surrounded with a sleeve 1) of insulating in a vertical plane against the flat approximaterial and pass through holes drilled mately continuous metallic face presented through the insulating material C and the by the live ant dead segments and insuladead segments E. tion, means for varying the position of the The commutator or distributor is fitted commutator with relation to the brush and with its back to the engine and the end of a dust cap to cover the face of the plate.

the cam shaft H carrying the holder F of In testimony whereof I have hereunto set the carbon brush f passes through a centre my hand.

aperture a in the plate A and insulating material C, the brush being against the ma- PERCIVAL BRINDLE. 

